#66ffbb
a light, electric green · cool · closest name: aquamarine
RGB
102, 255, 187
HSL
153°, 100%, 70%
CMYK
60, 0, 27, 0
Luminance
0.7793
Every format
| HEX | #66ffbb |
| RGB | rgb(102, 255, 187) |
| HSL | hsl(153, 100%, 70%) |
| CMYK | cmyk(60%, 0%, 27%, 0%) |
| LAB | lab(90.8 -55.9 20.6) |
| LCH | lch(90.8 59.6 159.8) |
| OKLCH | oklch(0.901 0.162 161.1) |
Copy-ready code
/* CSS */
color: #66ffbb;
background-color: #66ffbb;
/* Tailwind (arbitrary) */
class="text-[#66ffbb] bg-[#66ffbb]"
/* SCSS */
$brand: #66ffbb;
/* SwiftUI */
Color(red: 0.400, green: 1.000, blue: 0.733)
/* Android */
Color.parseColor("#66ffbb")Accessibility — WCAG contrast
Aa
#66ffbb on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ffbb on black: 16.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green100.0%
Blue73.3%
CMYK percentages
Cyan60.0%
Magenta0.0%
Yellow26.7%
Key (black)0.0%
Color previews
#66ffbb text on a black background
contrast 16.59:1
Card sample
#66ffbb text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ffbb;
Background color
Panel with #66ffbb background
background-color: #66ffbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ffbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 255, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 255, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ffbb; background: linear-gradient(135deg, #66ffbb, #66DDFF);